43023426829 has 2 divisors, whose sum is σ = 43023426830. Its totient is φ = 43023426828.

The previous prime is 43023426827. The next prime is 43023426839. The reversal of 43023426829 is 92862432034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39124048804 + 3899378025 = 197798^2 + 62445^2 .

It is a cyclic number.

It is not a de Polignac number, because 43023426829 - 2¹ = 43023426827 is a prime.

It is a super-2 number, since 2×43023426829² (a number of 22 digits) contains 22 as substring.

Together with 43023426827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43023426827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21511713414 + 21511713415.

It is an arithmetic number, because the mean of its divisors is an integer number (21511713415).

Almost surely, 2^43023426829 is an apocalyptic number.

It is an amenable number.

43023426829 is a deficient number, since it is larger than the sum of its proper divisors (1).

43023426829 is an equidigital number, since it uses as much as digits as its factorization.

43023426829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 43023426829 in words is "forty-three billion, twenty-three million, four hundred twenty-six thousand, eight hundred twenty-nine".